{"id":94787,"date":"2026-08-15T10:24:50","date_gmt":"2026-08-15T02:24:50","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/94787.html"},"modified":"2026-08-15T10:24:50","modified_gmt":"2026-08-15T02:24:50","slug":"go-%e8%af%ad%e8%a8%80%e5%85%a5%e9%97%a8%e7%ac%94%e8%ae%b0%ef%bc%88%e4%ba%8c%ef%bc%89%ef%bc%9a%e5%8f%98%e9%87%8f%e3%80%81%e9%9b%b6%e5%80%bc%e5%92%8c%e9%82%a3%e4%ba%9b%e5%88%ab%e6%89%ad","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/94787.html","title":{"rendered":"Go \u8bed\u8a00\u5165\u95e8\u7b14\u8bb0\uff08\u4e8c\uff09\uff1a\u53d8\u91cf\u3001\u96f6\u503c\u548c\u90a3\u4e9b\u201c\u522b\u626d\u201d\u7684\u7c7b\u578b\u8f6c\u6362"},"content":{"rendered":"

\u4e0a\u4e00\u7bc7\u628a\u73af\u5883\u8dd1\u901a\u4e4b\u540e，\u6211\u5f00\u59cb\u6b63\u513f\u516b\u7ecf\u5199\u70b9 Go \u4ee3\u7801\u3002\u8fd9\u7bc7\u5c31\u628a\u53d8\u91cf\u548c\u57fa\u672c\u7c7b\u578b\u8fd9\u5757\u68b3\u7406\u6e05\u695a，\u987a\u4fbf\u8bb0\u5f55\u4e00\u4e0b\u6211\u8e29\u8fc7\u7684\u51e0\u4e2a\u5751\u3002<\/p>\n

\n

1. \u53d8\u91cf\u58f0\u660e\u7684\u51e0\u79cd\u59ff\u52bf<\/h3>\n

Go \u91cc\u58f0\u660e\u53d8\u91cf\u6709\u597d\u51e0\u79cd\u5199\u6cd5，\u521a\u5f00\u59cb\u53ef\u80fd\u89c9\u5f97\u4e71，\u5176\u5b9e\u6838\u5fc3\u5c31\u4e24\u79cd：var \u548c :=\u3002<\/p>\n

1.1 \u7528 var \u8001\u8001\u5b9e\u5b9e\u58f0\u660e<\/h4>\n

\u6700\u6807\u51c6\u3001\u6700\u5570\u55e6\u7684\u5199\u6cd5：<\/p>\n

var age int = 25
\nvar name string = "\u5c0f\u660e"<\/p>\n

\u7c7b\u578b\u5199\u5728\u53d8\u91cf\u540d\u540e\u9762，\u548c C\/Java \u5b8c\u5168\u76f8\u53cd，\u5b98\u65b9\u8bf4\u6cd5\u662f\u4e3a\u4e86\u907f\u514d\u590d\u6742\u7684\u7c7b\u578b\u58f0\u660e\u8bfb\u8d77\u6765\u8d39\u52b2（\u6bd4\u5982\u51fd\u6570\u6307\u9488），\u4e60\u60ef\u5c31\u597d\u3002<\/p>\n

\u5982\u679c\u89c9\u5f97\u7c7b\u578b\u591a\u4f59，\u53ef\u4ee5\u7701\u7565，\u8ba9\u7f16\u8bd1\u5668\u81ea\u5df1\u63a8\u5bfc：<\/p>\n

var age = 25 \/\/ \u7f16\u8bd1\u5668\u77e5\u9053\u8fd9\u662f int
\nvar name = "\u5c0f\u660e" \/\/ \u7f16\u8bd1\u5668\u77e5\u9053\u8fd9\u662f string<\/p>\n

\u8fd8\u6709\u4e00\u79cd\u201c\u5077\u61d2\u201d\u7684\u5199\u6cd5，\u628a\u591a\u4e2a\u53d8\u91cf\u653e\u5728\u4e00\u4e2a var \u5757\u91cc，\u9002\u5408\u5305\u7ea7\u522b\u6216\u8005\u4e00\u5806\u53d8\u91cf\u4e00\u8d77\u58f0\u660e：<\/p>\n

var (
\n host string = "localhost"
\n port int = 8080
\n debug bool = false
\n)<\/p>\n

1.2 \u77ed\u53d8\u91cf\u58f0\u660e :=<\/h4>\n

\u8fd9\u4e2a\u662f\u6700\u5e38\u7528\u7684，\u7279\u522b\u662f\u51fd\u6570\u5185\u90e8\u3002\u5199\u6cd5\u5f88\u7b80\u6d01：<\/p>\n

func main() {
\n age := 25
\n name := "\u5c0f\u660e"
\n fmt.Println(age, name)
\n}<\/p>\n

:= \u76f8\u5f53\u4e8e\u58f0\u660e\u5e76\u8d4b\u503c，\u4f46\u5b83\u53ea\u80fd\u5728\u51fd\u6570\u5185\u90e8\u4f7f\u7528，\u5305\u7ea7\u522b（\u5168\u5c40\u53d8\u91cf）\u4e0d\u80fd\u7528\u3002\u6211\u4e00\u5f00\u59cb\u4e0d\u77e5\u9053，\u5728 main \u5916\u9762\u5199\u4e86\u4e2a version := "1.0"，\u7f16\u8bd1\u5668\u76f4\u63a5\u62a5\u9519，\u540e\u6765\u624d\u77e5\u9053\u5168\u5c40\u53d8\u91cf\u5fc5\u987b\u7528 var\u3002<\/p>\n

1.3 \u591a\u4e2a\u53d8\u91cf\u540c\u65f6\u58f0\u660e<\/h4>\n

Go \u652f\u6301\u4e00\u6b21\u58f0\u660e\u591a\u4e2a\u53d8\u91cf，\u800c\u4e14\u7c7b\u578b\u53ef\u4ee5\u4e0d\u540c：<\/p>\n

var x, y int = 1, 2
\na, b := "hello", true<\/p>\n

1.4 \u533f\u540d\u53d8\u91cf _<\/h4>\n

\u6709\u4e9b\u51fd\u6570\u7684\u8fd4\u56de\u503c\u6211\u4eec\u4e0d\u60f3\u7528，\u4f46 Go \u4e0d\u5141\u8bb8\u58f0\u660e\u4e86\u53d8\u91cf\u5374\u4e0d\u4f7f\u7528（\u7f16\u8bd1\u4f1a\u62a5\u9519），\u8fd9\u65f6\u5019\u53ef\u4ee5\u7528\u4e0b\u5212\u7ebf _ \u6765\u5ffd\u7565：<\/p>\n

file, _ := os.Open("test.txt") \/\/ \u5ffd\u7565\u9519\u8bef\u8fd4\u56de\u503c<\/p>\n

_ \u662f\u4e00\u4e2a\u7279\u6b8a\u7684\u53d8\u91cf，\u4efb\u4f55\u8d4b\u7ed9\u5b83\u7684\u503c\u90fd\u4f1a\u88ab\u4e22\u5f03，\u5b83\u672c\u8eab\u4e5f\u4e0d\u80fd\u88ab\u8bfb\u53d6\u3002\u9762\u8bd5\u5076\u5c14\u4f1a\u95ee\u201cGo \u91cc\u600e\u4e48\u5ffd\u7565\u51fd\u6570\u8fd4\u56de\u503c\u201d，\u7b54 _ \u5c31\u884c\u3002<\/p>\n

\n

2. \u96f6\u503c：Go \u6ca1\u6709\u672a\u521d\u59cb\u5316\u7684\u53d8\u91cf<\/h3>\n

\u8fd9\u4e2a\u7279\u6027\u6211\u633a\u559c\u6b22\u7684，Java \u91cc\u6210\u5458\u53d8\u91cf\u6709\u9ed8\u8ba4\u503c，\u4f46\u5c40\u90e8\u53d8\u91cf\u5fc5\u987b\u624b\u52a8\u521d\u59cb\u5316，Go \u5219\u4e00\u89c6\u540c\u4ec1：\u6240\u6709\u53d8\u91cf\u58f0\u660e\u540e\u90fd\u4f1a\u88ab\u81ea\u52a8\u8d4b\u4e88\u96f6\u503c\u3002<\/p>\n

\u5404\u79cd\u7c7b\u578b\u7684\u96f6\u503c：<\/p>\n

var i int \/\/ 0
\nvar f float64 \/\/ 0
\nvar b bool \/\/ false
\nvar s string \/\/ ""（\u7a7a\u5b57\u7b26\u4e32）
\nvar p *int \/\/ nil
\nvar m map[string]int \/\/ nil
\nvar sl []int \/\/ nil
\nvar ch chan int \/\/ nil<\/p>\n

\u6ce8\u610f\u4e00\u70b9：nil \u53ea\u80fd\u8d4b\u503c\u7ed9\u6307\u9488\u3001slice\u3001map\u3001channel\u3001\u51fd\u6570\u3001\u63a5\u53e3\u8fd9\u4e9b\u5f15\u7528\u7c7b\u578b，\u4e0d\u80fd\u8d4b\u503c\u7ed9 int\u3001string \u4e4b\u7c7b\u7684\u503c\u7c7b\u578b\u3002\u6bd4\u5982 var s string = nil \u4f1a\u7f16\u8bd1\u62a5\u9519\u3002<\/p>\n

\u8fd9\u4e2a\u96f6\u503c\u673a\u5236\u5728\u5199\u7ed3\u6784\u4f53\u7684\u65f6\u5019\u7279\u522b\u6709\u7528，\u5f88\u591a\u5b57\u6bb5\u4e0d\u7528\u7ba1\u521d\u59cb\u5316，\u76f4\u63a5\u7528\u9ed8\u8ba4\u503c\u5c31\u884c\u3002\u9762\u8bd5\u5e38\u95ee\u201cGo \u7684\u96f6\u503c\u662f\u4ec0\u4e48\u201d，\u80fd\u8bf4\u6e05\u695a\u5c31\u662f\u52a0\u5206\u9879\u3002<\/p>\n

\n

3. \u5e38\u7528\u57fa\u672c\u7c7b\u578b\u901f\u89c8<\/h3>\n

Go \u7684\u5185\u7f6e\u57fa\u672c\u7c7b\u578b\u4e0d\u591a，\u638c\u63e1\u4e0b\u9762\u8fd9\u4e9b\u5c31\u591f\u4e86：<\/p>\n

3.1 \u6574\u6570<\/h4>\n\n\u7c7b\u578b\u8bf4\u660e<\/tr>\n\n\n\n\n\n\n
int8, int16, int32, int64<\/td>\n\u6709\u7b26\u53f7\u6574\u6570，\u4f4d\u6570\u4e0d\u540c<\/td>\n<\/tr>\n
uint8, uint16, uint32, uint64<\/td>\n\u65e0\u7b26\u53f7\u6574\u6570<\/td>\n<\/tr>\n
int, uint<\/td>\n\u548c\u5e73\u53f0\u76f8\u5173，32\u4f4d\u7cfb\u7edf\u662f32\u4f4d，64\u4f4d\u7cfb\u7edf\u662f64\u4f4d<\/td>\n<\/tr>\n
byte<\/td>\nuint8 \u7684\u522b\u540d，\u5e38\u7528\u4e8e\u5904\u7406\u5b57\u8282<\/td>\n<\/tr>\n
rune<\/td>\nint32 \u7684\u522b\u540d，\u5e38\u7528\u4e8e\u5904\u7406 Unicode \u5b57\u7b26<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u5e73\u65f6\u5199\u4ee3\u7801\u76f4\u63a5 int \u5c31\u5b8c\u4e8b，\u9664\u975e\u4f60\u5728\u610f\u5185\u5b58\u6216\u8005\u9700\u8981\u660e\u786e\u4f4d\u6570（\u6bd4\u5982\u548c\u4e8c\u8fdb\u5236\u534f\u8bae\u4ea4\u4e92），\u5426\u5219\u6ca1\u5fc5\u8981\u7ea0\u7ed3\u3002<\/p>\n

3.2 \u6d6e\u70b9\u6570<\/h4>\n

float32 \u548c float64，\u548c C \u4e00\u6837，\u6ca1\u6709\u5355\u72ec\u7684 float\u3002\u4e00\u822c\u7528 float64，\u7cbe\u5ea6\u66f4\u9ad8\u3002<\/p>\n

var pi float64 = 3.1415926<\/p>\n

3.3 \u5e03\u5c14<\/h4>\n

bool \u7c7b\u578b，\u53ea\u6709 true \u548c false，\u4e0d\u80fd\u7528 0 \u548c 1 \u4ee3\u66ff\u3002\u8fd9\u70b9\u548c C \u4e0d\u4e00\u6837，\u4e5f\u522b\u60f3\u7528 if 1 {} \u8fd9\u79cd\u5199\u6cd5\u3002<\/p>\n

3.4 \u5b57\u7b26\u4e32<\/h4>\n

string \u7c7b\u578b，\u7528\u53cc\u5f15\u53f7\u6216\u8005\u53cd\u5f15\u53f7（\u539f\u6837\u5b57\u7b26\u4e32）\u8868\u793a：<\/p>\n

s1 := "hello"
\ns2 := `\u591a\u884c\u5b57\u7b26\u4e32
\n\u53ef\u4ee5\u5305\u542b\u6362\u884c
\n\u548c "\u5f15\u53f7" \u4e0d\u7528\u8f6c\u4e49`<\/p>\n

Go \u7684\u5b57\u7b26\u4e32\u662f\u4e0d\u53ef\u53d8\u7684，\u4e00\u65e6\u521b\u5efa\u5c31\u4e0d\u80fd\u4fee\u6539\u91cc\u9762\u7684\u5b57\u7b26，\u8981\u4fee\u6539\u5f97\u8f6c\u6210 []byte \u6216 []rune\u3002\u8fd9\u4e2a\u540e\u9762\u8bb2\u5b57\u7b26\u4e32\u7684\u65f6\u5019\u518d\u7ec6\u8bf4\u3002<\/p>\n

\n

4. \u7c7b\u578b\u8f6c\u6362：\u5fc5\u987b\u663e\u5f0f，\u800c\u4e14\u5bb9\u6613\u8e29\u5751<\/h3>\n

Go \u662f\u5f3a\u7c7b\u578b\u8bed\u8a00，\u4e0d\u652f\u6301\u9690\u5f0f\u7c7b\u578b\u8f6c\u6362\u3002\u6bd4\u5982\u4e00\u4e2a int \u548c\u4e00\u4e2a int64 \u76f8\u52a0，\u76f4\u63a5\u5199\u4f1a\u62a5\u9519：<\/p>\n

var a int = 5
\nvar b int64 = 10
\n\/\/ c := a + b \/\/ \u7f16\u8bd1\u9519\u8bef：mismatched types int and int64
\nc := int64(a) + b<\/p>\n

\u6240\u6709\u7c7b\u578b\u8f6c\u6362\u90fd\u8981\u663e\u5f0f\u5199\u51fa\u6765\u3002\u8fd9\u4e2a\u4e00\u5f00\u59cb\u4f1a\u8ba9\u4e60\u60ef\u4e86 Java \u81ea\u52a8\u88c5\u7bb1\u62c6\u7bb1\u7684\u4eba\u5f88\u4e0d\u723d，\u4f46\u597d\u5904\u662f\u7c7b\u578b\u5173\u7cfb\u4e00\u76ee\u4e86\u7136，\u4e0d\u4f1a\u51fa\u73b0\u83ab\u540d\u5176\u5999\u7684\u7cbe\u5ea6\u4e22\u5931\u3002<\/p>\n

\u4e24\u4e2a\u7279\u522b\u5bb9\u6613\u8e29\u7684\u5751：<\/p>\n

  • \n

    \u6570\u5b57\u8f6c\u5b57\u7b26\u4e32：string(65) \u7684\u7ed3\u679c\u4e0d\u662f "65"，\u800c\u662f "A"！\u56e0\u4e3a string() \u8fd9\u4e2a\u8f6c\u6362\u4f1a\u628a\u6574\u6570\u5f53\u4f5c Unicode \u7801\u70b9\u3002\u60f3\u628a\u6570\u5b57\u53d8\u6210\u5b57\u7b26\u4e32，\u5f97\u7528 strconv.Itoa(65) \u6216\u8005 fmt.Sprintf("%d", 65)\u3002<\/p>\n<\/li>\n

    fmt.Println(string(65)) \/\/ A
    \nfmt.Println(strconv.Itoa(65)) \/\/ 65<\/p>\n

  • \n

    \u6d6e\u70b9\u8f6c\u6574\u6570\u4f1a\u622a\u65ad：int(3.9) \u7684\u7ed3\u679c\u662f 3，\u4e0d\u662f\u56db\u820d\u4e94\u5165\u3002\u9700\u8981\u56db\u820d\u4e94\u5165\u53ef\u4ee5\u7528 math.Round\u3002<\/p>\n<\/li>\n

    fmt.Println(int(3.9)) \/\/ 3
    \nfmt.Println(math.Round(3.9)) \/\/ 4<\/p>\n

    \n

    5. \u7c7b\u578b\u522b\u540d vs \u5b9a\u4e49\u65b0\u7c7b\u578b<\/h3>\n

    Go \u91cc\u53ef\u4ee5\u7528 type \u5173\u952e\u5b57\u57fa\u4e8e\u5df2\u6709\u7c7b\u578b\u5b9a\u4e49\u65b0\u7c7b\u578b，\u4e5f\u53ef\u4ee5\u58f0\u660e\u522b\u540d，\u4e24\u8005\u6709\u7ec6\u5fae\u5dee\u522b\u3002<\/p>\n

    type MyInt int \/\/ \u5b9a\u4e49\u65b0\u7c7b\u578b，\u548c int \u4e0d\u662f\u540c\u4e00\u7c7b\u578b
    \ntype AliasInt = int \/\/ \u5b9a\u4e49\u522b\u540d，\u5c31\u662f int \u7684\u53e6\u4e00\u4e2a\u540d\u5b57<\/p>\n

    \u533a\u522b\u5728\u4e8e：MyInt \u9700\u8981\u663e\u5f0f\u8f6c\u6362\u624d\u80fd\u8d4b\u503c\u7ed9 int，\u800c AliasInt \u548c int \u5b8c\u5168\u901a\u7528\u3002byte \u548c rune \u5c31\u662f Go \u5185\u7f6e\u7684\u522b\u540d\u7c7b\u578b\u3002<\/p>\n

    var x MyInt = 5
    \nvar y int = int(x) \/\/ \u5fc5\u987b\u8f6c\u6362
    \nvar z AliasInt = 5
    \nvar w int = z \/\/ \u53ef\u4ee5\u76f4\u63a5\u8d4b\u503c<\/p>\n

    \u8fd9\u4e2a\u9762\u8bd5\u5076\u5c14\u4f1a\u95ee，\u4e86\u89e3\u5373\u53ef\u3002<\/p>\n

    \n

    6. \u5e38\u91cf\u7b80\u5355\u5165\u95e8<\/h3>\n

    \u5e38\u91cf\u7528 const \u58f0\u660e，\u4e0d\u80fd\u4fee\u6539，\u4e0d\u9700\u8981 :=\u3002<\/p>\n

    const pi = 3.14
    \nconst (
    \n statusOK = 200
    \n statusNotFound = 404
    \n)<\/p>\n

    \u5e38\u91cf\u53ef\u4ee5\u662f\u65e0\u7c7b\u578b\u7684（\u6bd4\u5982 const pi = 3.14），\u4e5f\u53ef\u4ee5\u662f\u663e\u5f0f\u6307\u5b9a\u7c7b\u578b\u7684（const pi float64 = 3.14）\u3002\u65e0\u7c7b\u578b\u5e38\u91cf\u5728\u4f7f\u7528\u65f6\u4f1a\u6839\u636e\u4e0a\u4e0b\u6587\u81ea\u52a8\u8f6c\u6362，\u6bd4\u5982 var x float32 = pi \u4e0d\u4f1a\u62a5\u9519\u3002<\/p>\n

    \u8fd8\u6709\u4e00\u4e2a\u795e\u5668 iota，\u53ef\u4ee5\u81ea\u52a8\u751f\u6210\u9012\u589e\u5e38\u91cf，\u5e38\u7528\u4e8e\u679a\u4e3e\u3002\u8fd9\u4e2a\u6211\u6253\u7b97\u653e\u5230\u540e\u9762\u8bb2\u679a\u4e3e\u548c\u5e38\u91cf\u751f\u6210\u5668\u7684\u65f6\u5019\u518d\u8be6\u7ec6\u5199，\u8fd9\u91cc\u5148\u6df7\u4e2a\u8138\u719f\u3002<\/p>\n

    go<\/p>\n

    const (
    \n Monday = iota + 1 \/\/ 1
    \n Tuesday \/\/ 2
    \n Wednesday \/\/ 3
    \n)<\/p>\n

    \n

    7. \u65b0\u624b\u5bb9\u6613\u72af\u7684\u9519（\u542b\u4e2a\u4eba\u8840\u6cea\u53f2）<\/h3>\n
      \n
    • \n

      \u77ed\u53d8\u91cf\u58f0\u660e\u4e0d\u80fd\u7528\u5168\u5c40：\u524d\u9762\u63d0\u4e86，:= \u53ea\u80fd\u5728\u51fd\u6570\u5185，\u5168\u5c40\u53d8\u91cf\u5fc5\u987b var\u3002<\/p>\n<\/li>\n

    • \n

      := \u81f3\u5c11\u9700\u8981\u4e00\u4e2a\u65b0\u53d8\u91cf：\u5728\u540c\u4e00\u4e2a\u4f5c\u7528\u57df\u91cc，\u5982\u679c\u5de6\u8fb9\u53d8\u91cf\u90fd\u5df2\u7ecf\u58f0\u660e\u8fc7\u4e86，\u7528 := \u4f1a\u62a5\u9519，\u4f46\u5982\u679c\u6709\u65b0\u53d8\u91cf，\u65e7\u53d8\u91cf\u4f1a\u88ab\u91cd\u65b0\u8d4b\u503c\u800c\u4e0d\u662f\u58f0\u660e\u3002\u8fd9\u4e2a\u5bb9\u6613\u641e\u6df7，\u5efa\u8bae\u522b\u5728\u540c\u4e00\u4e2a\u4f5c\u7528\u57df\u5bf9\u540c\u4e00\u7ec4\u53d8\u91cf\u53cd\u590d\u7528 :=\u3002<\/p>\n<\/li>\n

    • \n

      \u5bfc\u5165\u7684\u5305\u5fc5\u987b\u4f7f\u7528：Go \u7f16\u8bd1\u5668\u5f88\u4e25\u683c，import \u4e86\u4f46\u6ca1\u7528\u4f1a\u62a5\u9519；\u53d8\u91cf\u58f0\u660e\u4e86\u4f46\u6ca1\u7528\u4e5f\u4f1a\u62a5\u9519\u3002\u5199\u4ee3\u7801\u65f6\u8981\u53ca\u65f6\u5220\u6389\u6ca1\u7528\u7684\u4e1c\u897f，\u6216\u8005\u7528 _ \u5ffd\u7565\u3002<\/p>\n<\/li>\n

    • \n

      \u5927\u62ec\u53f7\u98ce\u683c：if\u3001for \u8fd9\u4e9b\u7684\u5de6\u5927\u62ec\u53f7\u5fc5\u987b\u548c\u5173\u952e\u5b57\u540c\u4e00\u884c，\u4e0d\u80fd\u6362\u884c\u3002\u8fd9\u662f Go \u7684\u786c\u6027\u8bed\u6cd5\u8981\u6c42，\u4e00\u5f00\u59cb\u6211\u4e0d\u5c0f\u5fc3\u6362\u884c，\u7f16\u8bd1\u5668\u76f4\u63a5\u62a5\u9519，\u540e\u6765\u624d\u77e5\u9053\u662f\u4e3a\u4e86\u7701\u6389\u5206\u53f7\u63d2\u5165\u7684\u6b67\u4e49\u3002<\/p>\n<\/li>\n<\/ul>\n

      \n

      8. \u5c0f\u7ed3<\/h3>\n

      \u8fd9\u4e00\u7bc7\u628a\u53d8\u91cf\u548c\u57fa\u672c\u7c7b\u578b\u8fc7\u4e86\u4e00\u904d，\u6838\u5fc3\u5c31\u51e0\u53e5：<\/p>\n

        \n
      • \n

        \u58f0\u660e\u53d8\u91cf\u8981\u4e48 var，\u8981\u4e48 :=（\u4ec5\u51fd\u6570\u5185）\u3002<\/p>\n<\/li>\n

      • \n

        \u6240\u6709\u53d8\u91cf\u90fd\u6709\u96f6\u503c，\u4e0d\u4f1a\u6709\u672a\u521d\u59cb\u5316\u3002<\/p>\n<\/li>\n

      • \n

        \u7c7b\u578b\u8f6c\u6362\u5fc5\u987b\u663e\u5f0f，\u6ce8\u610f string(int) \u7684\u5751\u3002<\/p>\n<\/li>\n

      • \n

        \u5e38\u91cf\u7528 const，iota \u53ef\u4ee5\u751f\u6210\u679a\u4e3e\u3002<\/p>\n<\/li>\n<\/ul>\n

        \u4e0b\u4e00\u7bc7\u51c6\u5907\u804a\u804a\u6d41\u7a0b\u63a7\u5236：if\u3001for\u3001switch\u3002Go \u7684 for \u5f88\u4e07\u91d1\u6cb9，\u4e00\u4e2a\u5173\u952e\u5b57\u6253\u5929\u4e0b，\u6ca1\u6709 while，\u5199\u8d77\u6765\u8fd8\u86ee\u723d\u7684\u3002\u5230\u65f6\u5019\u7ee7\u7eed\u8bb0\u5f55\u3002<\/p>\n

        \u5982\u679c\u8fd9\u7bc7\u6587\u7ae0\u5e2e\u5230\u4e86\u4f60，\u6b22\u8fce\u70b9\u8d5e\u6536\u85cf，\u4e5f\u6b22\u8fce\u7559\u8a00\u6307\u51fa\u6211\u8bf4\u9519\u7684\u5730\u65b9，\u4e00\u8d77\u8fdb\u6b65\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

        \u4e0a\u4e00\u7bc7\u628a\u73af\u5883\u8dd1\u901a\u4e4b\u540e，\u6211\u5f00\u59cb\u6b63\u513f\u516b\u7ecf\u5199\u70b9 Go \u4ee3\u7801\u3002\u8fd9\u7bc7\u5c31\u628a\u53d8\u91cf\u548c\u57fa\u672c\u7c7b\u578b\u8fd9\u5757\u68b3\u7406\u6e05\u695a，\u987a\u4fbf\u8bb0\u5f55\u4e00\u4e0b\u6211\u8e29\u8fc7\u7684\u51e0\u4e2a\u5751\u30021. \u53d8\u91cf\u58f0\u660e\u7684\u51e0\u79cd\u59ff\u52bfGo \u91cc\u58f0\u660e\u53d8\u91cf\u6709\u597d\u51e0\u79cd\u5199\u6cd5，\u521a\u5f00\u59cb\u53ef\u80fd\u89c9\u5f97\u4e71，\u5176\u5b9e\u6838\u5fc3\u5c31\u4e24\u79cd：var \u548c :\u30021.1 \u7528 var \u8001\u8001\u5b9e\u5b9e\u58f0\u660e\u6700\u6807\u51c6\u3001\u6700\u5570\u55e6\u7684\u5199\u6cd5：var age int 25
        \nvar name string \\”\u5c0f\u660e\\”\u7c7b\u578b\u5199\u5728\u53d8\u91cf\u540d\u540e\u9762，\u548c C\/Ja<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[746,190],"topic":[],"class_list":["post-94787","post","type-post","status-publish","format-standard","hentry","category-server","tag-golang","tag-190"],"yoast_head":"\nGo \u8bed\u8a00\u5165\u95e8\u7b14\u8bb0\uff08\u4e8c\uff09\uff1a\u53d8\u91cf\u3001\u96f6\u503c\u548c\u90a3\u4e9b\u201c\u522b\u626d\u201d\u7684\u7c7b\u578b\u8f6c\u6362 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/94787.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Go \u8bed\u8a00\u5165\u95e8\u7b14\u8bb0\uff08\u4e8c\uff09\uff1a\u53d8\u91cf\u3001\u96f6\u503c\u548c\u90a3\u4e9b\u201c\u522b\u626d\u201d\u7684\u7c7b\u578b\u8f6c\u6362 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u4e0a\u4e00\u7bc7\u628a\u73af\u5883\u8dd1\u901a\u4e4b\u540e，\u6211\u5f00\u59cb\u6b63\u513f\u516b\u7ecf\u5199\u70b9 Go \u4ee3\u7801\u3002\u8fd9\u7bc7\u5c31\u628a\u53d8\u91cf\u548c\u57fa\u672c\u7c7b\u578b\u8fd9\u5757\u68b3\u7406\u6e05\u695a，\u987a\u4fbf\u8bb0\u5f55\u4e00\u4e0b\u6211\u8e29\u8fc7\u7684\u51e0\u4e2a\u5751\u30021. \u53d8\u91cf\u58f0\u660e\u7684\u51e0\u79cd\u59ff\u52bfGo \u91cc\u58f0\u660e\u53d8\u91cf\u6709\u597d\u51e0\u79cd\u5199\u6cd5，\u521a\u5f00\u59cb\u53ef\u80fd\u89c9\u5f97\u4e71，\u5176\u5b9e\u6838\u5fc3\u5c31\u4e24\u79cd：var \u548c :\u30021.1 \u7528 var \u8001\u8001\u5b9e\u5b9e\u58f0\u660e\u6700\u6807\u51c6\u3001\u6700\u5570\u55e6\u7684\u5199\u6cd5：var age int 25 var name string "\u5c0f\u660e"\u7c7b\u578b\u5199\u5728\u53d8\u91cf\u540d\u540e\u9762，\u548c C\/Ja\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/94787.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-08-15T02:24:50+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/94787.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/94787.html\",\"name\":\"Go \u8bed\u8a00\u5165\u95e8\u7b14\u8bb0\uff08\u4e8c\uff09\uff1a\u53d8\u91cf\u3001\u96f6\u503c\u548c\u90a3\u4e9b\u201c\u522b\u626d\u201d\u7684\u7c7b\u578b\u8f6c\u6362 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2026-08-15T02:24:50+00:00\",\"dateModified\":\"2026-08-15T02:24:50+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/94787.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/94787.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/94787.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Go \u8bed\u8a00\u5165\u95e8\u7b14\u8bb0\uff08\u4e8c\uff09\uff1a\u53d8\u91cf\u3001\u96f6\u503c\u548c\u90a3\u4e9b\u201c\u522b\u626d\u201d\u7684\u7c7b\u578b\u8f6c\u6362\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Go \u8bed\u8a00\u5165\u95e8\u7b14\u8bb0\uff08\u4e8c\uff09\uff1a\u53d8\u91cf\u3001\u96f6\u503c\u548c\u90a3\u4e9b\u201c\u522b\u626d\u201d\u7684\u7c7b\u578b\u8f6c\u6362 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/94787.html","og_locale":"zh_CN","og_type":"article","og_title":"Go \u8bed\u8a00\u5165\u95e8\u7b14\u8bb0\uff08\u4e8c\uff09\uff1a\u53d8\u91cf\u3001\u96f6\u503c\u548c\u90a3\u4e9b\u201c\u522b\u626d\u201d\u7684\u7c7b\u578b\u8f6c\u6362 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"\u4e0a\u4e00\u7bc7\u628a\u73af\u5883\u8dd1\u901a\u4e4b\u540e，\u6211\u5f00\u59cb\u6b63\u513f\u516b\u7ecf\u5199\u70b9 Go \u4ee3\u7801\u3002\u8fd9\u7bc7\u5c31\u628a\u53d8\u91cf\u548c\u57fa\u672c\u7c7b\u578b\u8fd9\u5757\u68b3\u7406\u6e05\u695a，\u987a\u4fbf\u8bb0\u5f55\u4e00\u4e0b\u6211\u8e29\u8fc7\u7684\u51e0\u4e2a\u5751\u30021. \u53d8\u91cf\u58f0\u660e\u7684\u51e0\u79cd\u59ff\u52bfGo \u91cc\u58f0\u660e\u53d8\u91cf\u6709\u597d\u51e0\u79cd\u5199\u6cd5，\u521a\u5f00\u59cb\u53ef\u80fd\u89c9\u5f97\u4e71，\u5176\u5b9e\u6838\u5fc3\u5c31\u4e24\u79cd：var \u548c :\u30021.1 \u7528 var \u8001\u8001\u5b9e\u5b9e\u58f0\u660e\u6700\u6807\u51c6\u3001\u6700\u5570\u55e6\u7684\u5199\u6cd5：var age int 25 var name string \"\u5c0f\u660e\"\u7c7b\u578b\u5199\u5728\u53d8\u91cf\u540d\u540e\u9762，\u548c C\/Ja","og_url":"https:\/\/www.wsisp.com\/helps\/94787.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2026-08-15T02:24:50+00:00","author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"3 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/94787.html","url":"https:\/\/www.wsisp.com\/helps\/94787.html","name":"Go \u8bed\u8a00\u5165\u95e8\u7b14\u8bb0\uff08\u4e8c\uff09\uff1a\u53d8\u91cf\u3001\u96f6\u503c\u548c\u90a3\u4e9b\u201c\u522b\u626d\u201d\u7684\u7c7b\u578b\u8f6c\u6362 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2026-08-15T02:24:50+00:00","dateModified":"2026-08-15T02:24:50+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/94787.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/94787.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/94787.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"Go \u8bed\u8a00\u5165\u95e8\u7b14\u8bb0\uff08\u4e8c\uff09\uff1a\u53d8\u91cf\u3001\u96f6\u503c\u548c\u90a3\u4e9b\u201c\u522b\u626d\u201d\u7684\u7c7b\u578b\u8f6c\u6362"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/94787","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=94787"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/94787\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=94787"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=94787"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=94787"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=94787"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}